The SFX-2P is a perfect solution for extending 2 DVI-D and USB 2.0 signals from a computer in a remote location up to 1,500 feet away. It supports high-resolution DVI-D video and all USB device types from high-speed web cams, hard drives, printers, scanners, audio devices, touch screens, digital cameras and game controllers. The SFX-2P is immune to electromagnetic interference, making it ideal for use in situations where there is considerable interference. The SFX-2P is also very secure because it's fiber optic signals cannot be easily tapped.